Question

F(x) = x², g(x) = x + 8

Find (f o f)(x).

Answer 1

(f ￮ f)(x) =
`x^(4)`

Explanation:

to find (f ￮ f)(x) substitute x = f(x) into f(x)

(f ￮ f)(x)

= f(f(x))

= f(x²)

= (x² )²

=
`x^(4)`